Fix for issue 1007.

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 86b10363dcab101c1fb86a7a7d4be746a5318a72..e34acd67d441f6f8295bf7efd1b3521b21b6865f 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -4175,7 +4175,7 @@ bool HGraphBuilder::TryCallApply(Call* expr) {
   if (args->length() != 2) return false;
 
   VariableProxy* arg_two = args->at(1)->AsVariableProxy();
-  if (arg_two == NULL) return false;
+  if (arg_two == NULL || !arg_two->var()->IsStackAllocated()) return false;
   HValue* arg_two_value = environment()->Lookup(arg_two->var());
   if (!arg_two_value->CheckFlag(HValue::kIsArguments)) return false;